Home / 15,756,400.80-23,634,601.20-5,118,832.80

Finding the Fourth Proportional to 15,756,400.80, 23,634,601.20 and 5,118,832.80

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Solution

The fourth proportional to 15,756,400.80, 23,634,601.20 and 5,118,832.80 is: 7,678,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,400.80 : 23,634,601.20 = 5,118,832.80 : x
  2. Step 2: Convert to fraction form
    15,756,400.80/23,634,601.20 = 5,118,832.80/x
  3. Step 3: Cross multiply
    15,756,400.80x = 23,634,601.20 × 5,118,832.80
  4. Step 4: Simplify right side
    15,756,400.80x = 120,981,571,837,479.36
  5. Step 5: Solve for x
    x = 120,981,571,837,479.36/15,756,400.80
  6. Step 6: Final answer
    x = 7,678,249.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.